This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 10 |
| 5 | 21 |
| 6 | 39 |
| 7 | 73 |
| 8 | 130 |
| 9 | 230 |
| 10 | 391 |
| 11 | 660 |
| 12 | 1087 |
| 13 | 1775 |
| 14 | 2842 |
| 15 | 4510 |
| 16 | 7056 |
| 17 | 10945 |
| 18 | 16779 |
| 19 | 25519 |
| 20 | 38438 |
| 21 | 57480 |
| 22 | 85241 |
| 23 | 125577 |
| 24 | 183669 |
| 25 | 267016 |
| 26 | 385714 |
| 27 | 554102 |
| 28 | 791483 |
| 29 | 1124831 |
| 30 | 1590370 |
| 31 | 2238095 |
| 32 | 3134927 |